Five unlock ways, fingerprint unlock, phone unlock, password unlock, magnetics card unlock, key unlock, suitable for the whole family to use.

Features:
16 bit virtual password, including 6 to 11 correct password can open the door, to prevents others prying.
Mobile phone BT lock, convenient and more intelligent.
Fingerprint first, unlock better.
Electronic key, send at any time, after receiving the key, the other party can also use phone to open the door.
Aging password, record can be checked, delete at any time.
Encrypt I-C card, prevents malicious copy.

Specifications:
Material: zinc alloy
BT: unlock by APP TT Lock
Unlock way: App, Fingerprint, card, code and keys
Compatible with Google Home, Amazon Alexa, Tuya
Battery: 4 * AA (not included)
Emergency power supplys: Micro USB (not included)
Item size:
Stock lock: 156 * 59 * 35mm / 6.1 * 2.3 * 1.4in
Within lock: 133 * 100 * 22mm / 5.2 * 3.9 * 0.9in
Item weight: 1550g / 3.4lb
Package size: 250 * 190 * 80mm / 9.8 * 7.5 * 3.1in
Package weight: 1750g / 3.9lb

Packing List:
1 * Outer Panel
1 * Inner Panel
1 * Lock
1 * Install Accessories Package
1 * C Grade Mechanical Key
1 * Door Buckle
2 * I-C Cards
1 * Specification
1 * Certificate of Qualification